Autocollimator

This system is used in glass shop for checking straightness and flatness, Checking square and V blocks, checking deflection of a structure under load Measuring tapers, checking the angles of small castings. Checking the cutting angle of tools, setting angles of jigs and machine tool heads. Dark field graticules is used to get good image from un silvered glass surface or surfaces having poor reflection. Eye piece have a long eye relief, important for spectacle user. Direct reading to one minute of arc. Total measuring range of 60 minutes for measurements in both axis simultaneously. Anti- fungus coating is done on optics.